Finding the Fourth Proportional to 762,454.08, 1,052,170.56 and 422,919.36
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Solution
The fourth proportional to 762,454.08, 1,052,170.56 and 422,919.36 is: 583,619.80
Step by Step Solution
- Step 1: Write the proportion equation
762,454.08 : 1,052,170.56 = 422,919.36 : x - Step 2: Convert to fraction form
762,454.08/1,052,170.56 = 422,919.36/x - Step 3: Cross multiply
762,454.08x = 1,052,170.56 × 422,919.36 - Step 4: Simplify right side
762,454.08x = 444,983,299,846.04 - Step 5: Solve for x
x = 444,983,299,846.04/762,454.08 - Step 6: Final answer
x = 583,619.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.